xvi LIST OF ILLUSTRATIONS. 



FIG. PAGE 



35 bis. Axillary muscles of the side of Gallinula chloropus 



(after Garrod) 110 



35 ter. Outer aspect of the axillary muscles of the right arm 

 in a specimen of the Mourning Dove (Zenaidura 

 macroura) 110 



35 quat. The plucked body of a bird, drawn to show where 



to make the incision to expose the patagial muscles . . 112 



35 quin. Muscles of the patagium in Icterus vulgaris (after 



Garrod) 113 



35 sex. Muscles of the patagium in Progne subis 114 



36. Corvus corax sinuatus, bones of forearm and hand, showing 



muscular attachments 121 



37. Corvus corax sinuatus, radial aspect of left ulna and radius, 



showing where muscles are attached 126 



38. Corvus corax sinuatus, outer aspect of left forearm and 



pinion, showing the position, origin, and insertion of 



the superficial layer of muscles 131 



39. Corvus corax sinuatus, inner aspect of left forearm and 



pinion, showing the position, origin, and insertion of 



the superficial layer of muscles 140 



40. Corvus corax sinuatus, outer aspect of forearm and hand, 



showing relative position, origin, and insertion of the 

 deep layer of muscles 143 



41. Corvus corax sinuatus, inner aspect of forearm and hand, 



with the superficial layer of muscles dissected away, 

 showing the origins and insertions of the deep layer . 145 



42. Corvus corax sinuatus, anterior aspect of the bones of the 



left hand, showing origin and insertions of muscles . . 152 



43. Corvus corax sinuatus, ulnar aspect of the bones of the 



left hand, showing origin and insertions of muscles . . 152 



